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    I changed the description and added other test cases.

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    an example of such a board would be

    board = [
      [1,2,3,4,5,6,7,8,9],
      [2,3,4,5,6,7,8,9,1],
      [3,4,5,6,7,8,9,1,2],
      [4,5,6,7,8,9,1,2,3],
      [5,6,7,8,9,1,2,3,4],
      [6,7,8,9,1,2,3,4,5],
      [7,8,9,1,2,3,4,5,6],
      [8,9,1,2,3,4,5,6,7],
      [9,1,2,3,4,5,6,7,8]
    ]